Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousMedium3 minQB

PhysicsMediumsingle choice

The moment of inertia of a cube of mass m and side a about the diagonal of one of it's face is :-

CT42 m6 diagram

Answer:

Solution:

For a cube about any axis through its centre, symmetry gives $I_{c} = m a^{2} /6$ .

The face diagonal passes through the centre, so the answer is $m a^{2} /6$ .

Stream:JEESubject:PhysicsTopic:RotationSubtopic:Miscellaneous

⏱ 3mℹ️ Source: QB

Loading discussions...